<http://caligraph.org/ontology/Chemical_company_established_in_1919>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Chemical_companies_established_in_1919> .
<http://caligraph.org/ontology/Chemical_company_established_in_1919>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Manufacturing_company_established_in_1919> .
<http://caligraph.org/ontology/Chemical_company_established_in_1919>	<http://www.w3.org/2000/01/rdf-schema#label>	"Chemical company established in 1919" .
<http://caligraph.org/ontology/Chemical_company_established_in_1919>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Chemical_company_established_in_the_20th_century> .
<http://caligraph.org/ontology/Chemical_company_established_in_1919>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .